Level skip:
Enter the options screen and change the "Game Type" to the "Driving Only" setting. Highlight the following options in order and press Left + B at each selection: 1, 2, 3, 4, 5, 6, 7, 6, 5, 4, 3, 2, 1. You will hear a sound if you have entered the code correctly. Pause your game and press C to jump to the next level.

Level select:
Enter the options screen and change the "Game Type" to the "Platform Only" setting. Highlight the following options in order and press Left + B at each selection: 1, 7, 1, 6, 7. You will hear a sound if you have entered the code correctly. Highlight an option number that corresponds to the desired level and hold Left + B until game play starts.